java读取PHP接口数据的实现方法

网友投稿 214 2023-07-09


java读取PHP接口数据的实现方法

和安卓是一个道理,读取json数据

php文件:

class Test{

//日志路径

const LOG_PATH="E:\phpServer\Apache\logs\\error.log";

//显示的行数

const PAGES=50;

public static function main(){

header("content-type:text/html;charset=utf-8");

if(!empty($_GET['action'])){

if(!method_exists('Test',$_GET['action'])){

echo "404";

}else{

self::$_GET['action']();

}

exit;

}

}

public static function showApacheLogs(http://){

$test=new Test();

$result=$test->readLogs(self::LOG_PATH,self::PAGES);

$json=array();

for($i=0;$i

$line=$result[$i];

//注意这里,如果处理会json解析失败

$line=str_replace("\r\n", "", $line);

$result[$i]=array("num"=>$i+1,"msg"=>urlencode($line));

}

$str=stripslashes(urldecode(json_encode($result)));

http://echo $str;

}

/**

* 读取日志

*/

private function readLogs($filePath,$num=20){

$fp = fopen($filePath,"r");

$pos = -2;

$eof = "";

$head = wVljknkqfalse; //当总行数小于Num时,判断是否到第一行了

$lines = array();

while($num>0){

while($eof != "\n"){

if(fseek($fp, $pos, SEEK_END)==0){ //fseek成功返回0,失败返回-1

$eof = fgetc($fp);

$pos--;

}else{ //当到达第一行,行首时,设置$pos失败

fseek($fp,0,SEEK_SET);

$head = true; //到达文件头部,开关打开

break;

}

}

array_unshift($lines,fgets($fp));

if($head){ break; } //这一句,只能放上一句后,因为到文件头后,把第一行读取出来再跳出整个循环

$eof = "";

$num--;

}

fclose($fp);

return array_reverse($lines);

}

}

Test::main();

java文件:

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import org.json.JSONArray;

import org.json.JSONObject;

public class ReadLogs {

public static void main(String[] args) throws Exception {

URL url = new URL("http://localhost/test.php?action=showApacheLogs");

HttpURLConnection conn = (HttpURLConnection) url.openConnection();

conn.setConnectTimeout(10000);

conn.setRequestMethod("GET");

conn.setDoInput(true);

conn.setDoOutput(true);

// 输出返回结果

InputStream input = conn.getInputStream();

int resLen =0;

byte[] res = new byte[1024];

StringBuilder sb=new StringBuilder();

while((resLen=input.read(res))!=-1){

sb.append(new String(res, 0, resLen));

}

String jsonStr=sb.toString();

//String转换成JSON

JSONArray jsonArray=new JSONArray(jsonStr);

for(int i=0;i

JSONObject jsonObject=new JSONObject(jsonArray.getString(i));

String msg=(String) jsonObject.get("msg");

int num=(int) jsonObject.get("num");

System.out.println(num+":"+msg);

}

}

}

$line=$result[$i];

//注意这里,如果处理会json解析失败

$line=str_replace("\r\n", "", $line);

$result[$i]=array("num"=>$i+1,"msg"=>urlencode($line));

}

$str=stripslashes(urldecode(json_encode($result)));

http://echo $str;

}

/**

* 读取日志

*/

private function readLogs($filePath,$num=20){

$fp = fopen($filePath,"r");

$pos = -2;

$eof = "";

$head = wVljknkqfalse; //当总行数小于Num时,判断是否到第一行了

$lines = array();

while($num>0){

while($eof != "\n"){

if(fseek($fp, $pos, SEEK_END)==0){ //fseek成功返回0,失败返回-1

$eof = fgetc($fp);

$pos--;

}else{ //当到达第一行,行首时,设置$pos失败

fseek($fp,0,SEEK_SET);

$head = true; //到达文件头部,开关打开

break;

}

}

array_unshift($lines,fgets($fp));

if($head){ break; } //这一句,只能放上一句后,因为到文件头后,把第一行读取出来再跳出整个循环

$eof = "";

$num--;

}

fclose($fp);

return array_reverse($lines);

}

}

Test::main();

java文件:

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import org.json.JSONArray;

import org.json.JSONObject;

public class ReadLogs {

public static void main(String[] args) throws Exception {

URL url = new URL("http://localhost/test.php?action=showApacheLogs");

HttpURLConnection conn = (HttpURLConnection) url.openConnection();

conn.setConnectTimeout(10000);

conn.setRequestMethod("GET");

conn.setDoInput(true);

conn.setDoOutput(true);

// 输出返回结果

InputStream input = conn.getInputStream();

int resLen =0;

byte[] res = new byte[1024];

StringBuilder sb=new StringBuilder();

while((resLen=input.read(res))!=-1){

sb.append(new String(res, 0, resLen));

}

String jsonStr=sb.toString();

//String转换成JSON

JSONArray jsonArray=new JSONArray(jsonStr);

for(int i=0;i

JSONObject jsonObject=new JSONObject(jsonArray.getString(i));

String msg=(String) jsonObject.get("msg");

int num=(int) jsonObject.get("num");

System.out.println(num+":"+msg);

}

}

}

JSONObject jsonObject=new JSONObject(jsonArray.getString(i));

String msg=(String) jsonObject.get("msg");

int num=(int) jsonObject.get("num");

System.out.println(num+":"+msg);

}

}

}


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